armstrong in which he is expected to admit to doping. armstrong today said he is, quote, ready to speak candidly, but would not divulge exactly what he will be talking about. the disgraced cyclist is scheduled to sit down with oprah winfrey tomorrow for a no- holds barred interview. it is scheduled to be broadcast on thursday. armstrong was stripped of his seven tour de france titles after the u.s. doping agency found he used steroids and blood boosters. >>> scores of people took part in a dress rehearsal for the presidential inauguration, without the main players. ♪ >> organizers did a walk- through today withstand-ins for the president, vice president, and their wives. it gave them an opportunity to test the logistics for such a big event. and the stand-ins had an unbelievable opportunity. >> there were a lot of empty seats out there, but knowing those seats will be willed, definitely an awe-struck moment. >> 10,000 people will be marching in the parade for the inaugural event. an a-list of performers will also take the stage, includ